Home / 10,367,997.70-15,551,996.55-7,166,359.30

Finding the Fourth Proportional to 10,367,997.70, 15,551,996.55 and 7,166,359.30

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Solution

The fourth proportional to 10,367,997.70, 15,551,996.55 and 7,166,359.30 is: 10,749,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367,997.70 : 15,551,996.55 = 7,166,359.30 : x
  2. Step 2: Convert to fraction form
    10,367,997.70/15,551,996.55 = 7,166,359.30/x
  3. Step 3: Cross multiply
    10,367,997.70x = 15,551,996.55 × 7,166,359.30
  4. Step 4: Simplify right side
    10,367,997.70x = 111,451,195,109,660.42
  5. Step 5: Solve for x
    x = 111,451,195,109,660.42/10,367,997.70
  6. Step 6: Final answer
    x = 10,749,538.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.